/Engine/Source/Editor/AdvancedPreviewScene/Public/AdvancedPreviewSceneModule.h
typedef TMulticastDelegate_OneParam< void, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FAdvancedPreviewScene](API\Editor\AdvancedPreviewScene\FAdvancedPreviewScene) > > FOnPreviewSceneChanged